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# Bronze Flanges - ASME/ANSI 150 lb

Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces can be found in the table below:

For full table with larger sizes - rotate the screen!

ANSI 150 lb Bronze Flange with Plain Face
Pipe Size
(inches)
1/23/411 1/41 1/222 1/233 1/245681012
Diameter of Flange
(inches)
3 1/2 3 7/8 4 1/4 4 5/8 5 6 7 7 1/2 8 1/2 9 10 11 13 1/2 16 19
Thickness of Flange
(inches)
5/16 11/32 3/8 13/32 7/16 1/2 9/16 5/8 11/16 11/16 3/4 13/16 15/16 1 1 1/16
Diameter of Bolt Circle
(inches)
2 3/8 2 3/4 3 1/8 3 1/2 3 7/8 4 3/4 5 1/2 6 7 7 1/2 8 1/2 9 1/2 11 3/4 14 1/4 17
Numbers of Bolts 4 4 4 4 4 4 4 4 8 8 8 8 8 12 12
Diameter of Bolts
(inches)
1/2 1/2 1/2 1/2 1/2 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 7/8 7/8

150 lb bronze flanges with plain faces have two concentric gaskets retaining grooves between the port and the holes.

• 1 inch = 25.4 mm

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